less lexer recursion

src/lexer.rs

@@ -227,15 +227,9 @@ where
         }
     }
 
-    fn lex_comment(&mut self) -> Option<Result<Token>> {
-        while self.peek() != Some('\n') {
-            self.eat();
-        }
-        self.lex()
-    }
-
     fn lex(&mut self) -> Option<Result<Token>> {
-        match self.lex_whitespace()? {
+        loop {
+            break match self.lex_whitespace()? {
                 // { and } start/end of code block
                 '{' => self.eat_to(Token::CurlyOpen),
                 '}' => self.eat_to(Token::CurlyClose),
@@ -306,10 +300,18 @@ where
                 '"' => Some(self.lex_string()),
 
                 // # comments
-            '#' => self.lex_comment(),
+                '#' => {
+                    // skip the rest of the line
+                    // this leaves the newline btw
+                    while !matches!(self.peek(), Some('\n') | None) {
+                        self.eat();
+                    }
+                    continue;
+                }
 
                 // unexpected character
                 c => Some(Err(LexError::UnexpectedCharacter(c))),
+            };
         }
     }
 }

src/runtime.rs

@@ -1,6 +1,6 @@
 use crate::parser::{Block, Expr};
 
-enum Value {
+pub enum Value {
     String(String),
     Integer(i64),
     Boolean(bool),